20783270652532 has 36 divisors (see below), whose sum is σ = 37381625789760. Its totient is φ = 10110417264864.

The previous prime is 20783270652523. The next prime is 20783270652593. The reversal of 20783270652532 is 23525607238702.

It is a super-2 number, since 2×20783270652532² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20783270652532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213641319 + ... + 213738577.

It is an arithmetic number, because the mean of its divisors is an integer number (1038378494160).

Almost surely, 2^{20783270652532} is an apocalyptic number.

It is an amenable number.

20783270652532 is a deficient number, since it is larger than the sum of its proper divisors (16598355137228).

20783270652532 is a wasteful number, since it uses less digits than its factorization.

20783270652532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136360 (or 136321 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 20783270652532 in words is "twenty trillion, seven hundred eighty-three billion, two hundred seventy million, six hundred fifty-two thousand, five hundred thirty-two".